DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:sender:in-reply-to:references:date
         :x-google-sender-auth:message-id:subject:from:to:content-type;
        b=S/8OtgSa2IlRHAyR/xe10ZWaJoDjnC3OUUthZKGJCAoYhPnTap0tTu1nYDVbE4pm4B
         exUEplKzjYLvMn/vrrsvnptmsOKNtojeKFx/ALZFl9fT3zCMSIa+zegPP+ydc48HQI1p
         D/5xeauAz6p3LLso1+8MAfhcwD2LAMXgWcBV8=
MIME-Version: 1.0
In-Reply-To: <AANLkTi=-nEen23+ruaDeOnBG1M0uP-hrex+5vqegKJFS@mail.gmail.com>
References: <AANLkTi=-nEen23+ruaDeOnBG1M0uP-hrex+5vqegKJFS@mail.gmail.com>
Date: Thu, 23 Sep 2010 21:51:55 +0100
Message-ID: <AANLkTim2y8EEbVw5cgRbxDr7Z8CBew3arSRhwZcCMS2T@mail.gmail.com>
From: Gary - G4WGT <g4wgt@tiscali.co.uk>
To: rsgb_lf_group@blacksheep.org
DomainKey-Status: good (testing) 
Subject: Re: LF: 137 WSPRing
Content-Type: multipart/alternative; boundary=0016e64c3a18ae80fb0490f36eb8
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org


--0016e64c3a18ae80fb0490f36eb8
Content-Type: text/plain; charset=ISO-8859-1

Andy,

I have had my 136kHz monitor on full time & the last decode I got was at
1640utc & nothing since.

I would like to see a write up regarding the linear PA please.

73

Gary - G4WGT.


On 23 September 2010 21:01, Andy Talbot <andy.g4jnt@googlemail.com> wrote:

> Has everyone turned off their monitors?    Plenty of reports from  four
> stations throughout the day at distances up to 376km (F5WK in JN18HP)  then
> all stop at 1740z.
>
> Still radiating, about 40W into the antenna now.   I've optimised the
> PA output by changing the transformer and added a few tap positions for
> loads from 50 to 150 ohms.   If there's any interest in this rather standard
> linear PA, I'l  write it up - if not, shan't bother.    The FETs would have
> to be substituted anyway.
>  Andy
> www.g4jnt.com
>

--0016e64c3a18ae80fb0490f36eb8
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Andy,<div><br></div><div>I have had my 136kHz monitor on full time &amp;=
 the last decode I got was at 1640utc &amp; nothing since.</div><div><br><=
/div><div>I would like to see a write up regarding the linear PA please.</=
div>
<div><br></div><div>73</div><div><br></div><div>Gary - G4WGT.</div><div><b=
r><br><div class=3D"gmail_quote">On 23 September 2010 21:01, Andy Talbot=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:andy.g4jnt@googlemail.com">andy.g=
4jnt@googlemail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex;"><div>Has everyone turned off their monito=
rs?=A0=A0=A0 Plenty of reports from=A0 four stations throughout the day at=
 distances up to 376km (F5WK in JN18HP)=A0 then all stop at 1740z.=A0 </di=
v>

<div>=A0</div>
<div>Still radiating, about 40W into the antenna now.=A0=A0 I&#39;ve optim=
ised the PA=A0output by=A0changing the transformer and added a few tap pos=
itions for loads from 50 to 150 ohms.=A0=A0 If there&#39;s any interest in=
 this rather standard linear PA, I&#39;l=A0 write it up - if not, shan&#39=
;t bother.=A0=A0=A0 The FETs would have to be substituted anyway.<br clear=
=3D"all">

</div>
<div>Andy<br><a href=3D"http://www.g4jnt.com" target=3D"_blank">www.g4jnt.=
com</a><br></div>
</blockquote></div><br></div>

--0016e64c3a18ae80fb0490f36eb8--